CN107552093A - A kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification - Google Patents

A kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification Download PDF

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CN107552093A
CN107552093A CN201710764217.3A CN201710764217A CN107552093A CN 107552093 A CN107552093 A CN 107552093A CN 201710764217 A CN201710764217 A CN 201710764217A CN 107552093 A CN107552093 A CN 107552093A
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catalyst
iridium
bisphenol
bop
ratio
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CN107552093B (en
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王大伟
葛晨阳
冷炎
石刚
夏晓峰
李赢
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Shandong Yike Chemical Co ltd
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Jiangnan University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
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    • Y02P20/584Recycling of catalysts

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Abstract

This hair discloses a kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification, and prepared composite load benzoxazole iridium hydrotalcite catalyst is synthesized by following two classes iridium complex.Wherein hydrotalcite supports (layer dihydroxy complex hydroxide) have the characteristics that the adjustable denaturation of the Modulatory character of the Nomenclature Composition and Structure of Complexes, acid-base property and the adjustable denaturation that interacts, it is considered as the splendid carrier of nanometer iridium, this catalyst has very high heat endurance and catalytic activity, is advantageous to catalyze and synthesize Bisphenol F and esterification.And convenient recovery, reduce production cost, it is expected to as the cleaning procedure route of great competitiveness.

Description

A kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification
Technical field
The present invention relates to a kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification, this catalyst With very high heat endurance and catalytic activity, be advantageous to catalyze and synthesize Bisphenol F and convenient recovery, simultaneously for Bisphenol F Synthetic reaction and esterification also show good property.
Background technology
Hydrotalcite is ion functional's clay that a kind of interlayer ion has interchangeability.Due to hydrotalcite layered structure Particularity, show the special properties such as adjustable denaturation and interchangeability, the alkalescence of ion.These unique structures of hydrotalcite Property, a kind of supported materials for having and there is very big application potential are become, it is of increased attention with applying.Mesh Before, hydrotalcite material has in catalysis, biology, environmental protection, additive, medicine and functional high molecule material etc. widely should With., can be by some metal iridiums using the interchangeability of hydrotalcite layers anion and the high activity of metal iridium complex catalyst Complex catalyst is inserted into hydrotalcite layers, and the iridium supported catalyst being prepared not only has higher catalytic activity, and Catalyst is easily isolated after completion of the reaction, avoids such iridium catalyst and product purity is impacted, it also avoid simultaneously Heavy metal pollution is caused to environment.The eka-iridium supported catalyst also has very high heat endurance, still has after recycled for multiple times There is very high activity.
Bisphenol F and triacetin ester compounds are all high added value products, their synthesis mainly using strong acid or Solid acid catalyst, the problems such as environmental pollution cost is high be present.Also bring along serious equipment corrosion problem.Therefore, find Catalyst can be replaced to have become current research and the focus of exploitation.
In order to solve the above problems, based on the present invention is using hydrotalcite and two metal iridium compounds, it is prepared for compound Benzoxazole iridium hydrotalcite catalyst is loaded, for catalyzing and synthesizing Bisphenol F and acetin, the method has not yet to see report.
The content of the invention
The invention discloses a kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification.Ours Found in research, this composite catalyst is advantageous to catalyzing and synthesizing for Bisphenol F and acetin.
The technical scheme provided according to invention, prepared composite load benzoxazole iridium hydrotalcite catalyst is by following The synthesis of two class iridium complexs:
The invention provides a kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification, specific and conjunction It is as follows into step:
(1) solvent-thermal method is first used, by benzoxazole part and iridous chloride with 1:1~30:1 ratio is dissolved in 1:1 ~30:In the ethylene glycol ethyl ether of 1 ratio and the mixed solution of water, 25~500 DEG C are stirred and heated under special gas protection, stirring After 1~48h, suction filtration obtains iridium complex BO.By BO and PEt3With 1:1~1:20 ratio is blended in absolute ethyl alcohol and the tert-butyl alcohol In the mixed solvent, stir 4~12h at room temperature, heat 2~12h with reactor at 50~110 DEG C, centrifugal drying produced Thing BOP.
(2) by BO and hydrotalcite (HT) 1:1~1:20 ratio is blended in deionized water, absolute ethyl alcohol and the tert-butyl alcohol it is mixed In bonding solvent, 1~48h is stirred at room temperature, 1~72h is heated with reactor at 20~500 DEG C, and centrifugal drying obtains product BO@ HT。
(3) by BOP and BO@HT with 1:1~1:30 ratio is blended in deionized water, the mixing of absolute ethyl alcohol and the tert-butyl alcohol In solvent, 1~48h is stirred at room temperature, 1~72h is heated with reactor at 20~600 DEG C, and centrifugal drying obtains product BO@ BOP@HT。
Further, the special gas in above-mentioned steps (1) are carried out under the protection of such as nitrogen, argon gas etc..
Further, in above-mentioned steps, programming rate is 0.1~10 DEG C/min.
Above-mentioned composite load iridium catalyst BO@BOP@HT Bisphenol F applications, it is characterised in that:By 4g phenol, 1g NEW TYPE OF COMPOSITEs Iridium catalyst is added in 10mL dimethylbenzene, is stirred at room temperature, then be slowly added dropwise 1:1 10% HCl and 37% formalin 4mL Mixed solution, 100 DEG C are heated to, react 2h.Then by resulting reacting liquid filtering, catalyst is reclaimed.The liquid being filtrated to get Body is crude product.Gained crude product by rotating recycling design, being evaporated under reduced pressure and reclaim remaining phenol, remaining product is used back The solvent recrystallization of receipts once, obtains Bisphenol F.
The application of above-mentioned composite load iridium catalyst BO@BOP@HT catalyzing glycerols and acid esterification reaction, it is characterised in that: By glycerine and acetic acid according to molar ratio of alcohol to acid 1:2~1:7 add in reactor, and it is anti-to add 30~50mL toluene and quality The composite load iridium catalyst BO@BOP@HT of the 0.6~5% of thing gross mass are answered, are 100 DEG C~140 DEG C in reaction temperature, backflow Divide water, 2~8h of stirring reaction, obtain the mixture containing acetin.
Brief description of the drawings
Composite load iridium catalyst BO BOP HT prepared by Fig. 1 present invention ESEM collection of illustrative plates.
Embodiment
The composite of this modification provided by the invention can significantly improving Bisphenol F and triacetin Lipase absobed production Rate, and the preparation technology of catalyst is simple, it is green.
Hereinafter, applicant has done specific experiment to the present invention.These are only used for elaborating the present invention, not with any side The scope of formula limitation invention.
Embodiment one:A kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification, including following technique Step:
(1) solvent-thermal method is first used, by benzoxazole part and iridous chloride with 1:1 ratio is dissolved in 1:1 ratio In the mixed solution of ethylene glycol ethyl ether and water, 25~500 DEG C are stirred and heated under special gas protection, after stirring 48h, is filtered To iridium complex BO.By BO and PEt3With 1:1 ratio is blended in the in the mixed solvent of absolute ethyl alcohol and the tert-butyl alcohol, stirs at room temperature 4h is mixed, 12h is heated with reactor at 110 DEG C, centrifugal drying obtains product BOP.
(2) by BO and hydrotalcite (HT) 1:20 ratio is blended in deionized water, and the mixing of absolute ethyl alcohol and the tert-butyl alcohol is molten In agent, 24h is stirred at room temperature, 48h is heated with reactor at 400 DEG C, and centrifugal drying obtains product BO@HT.
(3) by BOP and BO@HT with 1:30 ratio is blended in the mixed solvent of deionized water, absolute ethyl alcohol and the tert-butyl alcohol In, 48h is stirred at room temperature, 12h is heated with reactor at 400 DEG C, and centrifugal drying obtains product BO@BOP@HT.
Embodiment two:A kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification, including following technique Step:
(1) solvent-thermal method is first used, by benzoxazole part and iridous chloride with 1:2 ratio is dissolved in 1:2 ratios In the mixed solution of ethylene glycol ethyl ether and water, 25~500 DEG C are stirred and heated under special gas protection, after stirring 36h, is filtered To iridium complex BO.By BO and PEt3With 1:1 ratio is blended in the in the mixed solvent of absolute ethyl alcohol and the tert-butyl alcohol, stirs at room temperature 4h is mixed, 12h is heated with reactor at 110 DEG C, centrifugal drying obtains product BOP.
(2) by BO and hydrotalcite (HT) 1:20 ratio is blended in deionized water, and the mixing of absolute ethyl alcohol and the tert-butyl alcohol is molten In agent, 24h is stirred at room temperature, 36h is heated with reactor at 300 DEG C, and centrifugal drying obtains product BO@HT.
(3) by BOP and BO@HT with 1:20 ratio is blended in the mixed solvent of deionized water, absolute ethyl alcohol and the tert-butyl alcohol In, 36h is stirred at room temperature, 12h is heated with reactor at 300 DEG C, and centrifugal drying obtains product BO@BOP@HT.
Embodiment three:4g phenol, 1g NEW TYPE OF COMPOSITEs iridium catalyst are added in 10mL dimethylbenzene, stirred at room temperature, then delay It is slow to be added dropwise 1:1 10% HCl and 37% formalin 4mL mixed solutions, 100 DEG C are heated to, react 2h.Then by obtained by Reacting liquid filtering, reclaim catalyst.The liquid being filtrated to get is crude product.Gained crude product by rotate recycling design, It is evaporated under reduced pressure and reclaims remaining phenol, remaining product is recrystallized once with recovered solvent, obtains Bisphenol F.Yield is 86%
Example IV:In 250mL round-bottomed flasks, 0.1mol glycerine, 0.6mol acetic acid and 40mL toluene are added, is added 0.3g catalyst BO@BOP@HT, it is 110 DEG C in reaction temperature, reflux water-dividing, stirring reaction 2h, through chromatography, glycerine turns Rate is 99%, and the selectivity of diacetine is 83%, and the selectivity of glyceryl triacetate is 14%.
Embodiment five:Composite load iridium catalyst BO@BOP@HT recycling:
In 250mL round-bottomed flasks, 0.1mol glycerine, 0.6mol acetic acid and 40mL toluene are added, adds returning for 0.3g The catalyst BO@BOP@HT of receipts, it is 110 DEG C in reaction temperature, reflux water-dividing, stirring reaction 2h, through chromatography, glycerine conversion Rate is 99%, and the selectivity of diacetine is 83%, and the selectivity of glyceryl triacetate is 13%.

Claims (3)

1. the invention discloses a kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification;
The technical scheme provided according to invention, prepared composite load benzoxazole iridium hydrotalcite catalyst is by following two class Iridium complex synthesis:
The invention provides a kind of supporting iridium catalyst and preparation method for Bisphenol F and esterification, specific and synthesis step It is rapid as follows:
(1) solvent-thermal method is first used, by benzoxazole part and iridous chloride with 1:1~30:1 ratio is dissolved in 1:1~30: In the ethylene glycol ethyl ether of 1 ratio and the mixed solution of water, 25~500 DEG C are stirred and heated under special gas protection, stirring 1~ After 48h, suction filtration obtains iridium complex BO;By BO and PEt3With 1:1~1:20 ratio is blended in absolute ethyl alcohol and the tert-butyl alcohol In the mixed solvent, 4~12h being stirred at room temperature, 2~12h being heated with reactor at 50~110 DEG C, centrifugal drying obtains product BOP。
(2) by BO and hydrotalcite (HT) 1:1~1:20 ratio is blended in deionized water, and the mixing of absolute ethyl alcohol and the tert-butyl alcohol is molten In agent, 1~48h is stirred at room temperature, 1~72h is heated with reactor at 20~500 DEG C, and centrifugal drying obtains product BO@HT.
(3) by BOP and BO@HT with 1:1~1:30 ratio is blended in the mixed solvent of deionized water, absolute ethyl alcohol and the tert-butyl alcohol In, 1~48h is stirred at room temperature, 1~72h is heated with reactor at 20~600 DEG C, and centrifugal drying obtains product BO@BOP@ HT;
Further, the special gas in above-mentioned steps (1) are carried out under the protection of such as nitrogen, argon gas etc.;
Further, in above-mentioned steps, programming rate is 0.1~10 DEG C/min.
2. above-mentioned composite load iridium catalyst BO@BOP@HT Bisphenol F applications, it is characterised in that:By 4g phenol, 1g NEW TYPE OF COMPOSITE iridium Catalyst is added in 10mL dimethylbenzene, is stirred at room temperature, then be slowly added dropwise 1:1 10% HCl and 37% formalin 4mL is mixed Solution is closed, is heated to 100 DEG C, reacts 2h.Then by resulting reacting liquid filtering, catalyst is reclaimed;The liquid being filtrated to get For crude product;Gained crude product by rotating recycling design, being evaporated under reduced pressure and reclaim remaining phenol, remaining product recovery Solvent recrystallization once, obtain Bisphenol F.
3. above-mentioned composite load iridium catalyst BO@BOP@HT catalyzing glycerols and the application of acid esterification reaction, it is characterised in that:Will Glycerine and acetic acid are according to molar ratio of alcohol to acid 1:2~1:7 add in reactor, and toluene and the quality for adding 30~50mL are reaction The composite load iridium catalyst BO@BOP@HT of the 0.6~5% of thing gross mass, it is 100 DEG C~140 DEG C in reaction temperature, backflow point Water, 2~8h of stirring reaction, obtain the mixture containing acetin.
CN201710764217.3A 2017-08-30 2017-08-30 Supported iridium catalyst for bisphenol F and esterification reaction and preparation method thereof Expired - Fee Related CN107552093B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111974457A (en) * 2020-08-31 2020-11-24 江南大学 Catalyst for synthesizing substituted ketone compound and preparation method thereof
CN112169842A (en) * 2020-10-27 2021-01-05 江南大学 Novel efficient supported Au/GO catalyst and preparation method and application thereof
CN115193479A (en) * 2021-04-27 2022-10-18 江南大学 PBS microsphere loaded metal iridium catalyst, preparation method and application

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CN102068975A (en) * 2010-12-14 2011-05-25 西南石油大学 Catalyst for esterification and deacidification and preparation method thereof
CN103706403A (en) * 2013-12-23 2014-04-09 北京化工大学 Application of polyacid intercalated hydrotalcite catalyst in preparing glyceryl triacetate
CN103922930A (en) * 2014-05-06 2014-07-16 江苏瑞晨化学有限公司 Method for preparing n-propyl acetate by using multi-acid intercalated hydrotalcite catalyst
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* Cited by examiner, † Cited by third party
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DE10218038A1 (en) * 2002-04-23 2003-11-13 Alfred Krueger Production of dicarboxylic acids useful in the production of polyesters or diglycidyl esters involves semi-esterification of bisphenol A with dicarboxylic anhydride(s)
CN102068975A (en) * 2010-12-14 2011-05-25 西南石油大学 Catalyst for esterification and deacidification and preparation method thereof
CN103706403A (en) * 2013-12-23 2014-04-09 北京化工大学 Application of polyacid intercalated hydrotalcite catalyst in preparing glyceryl triacetate
CN103922930A (en) * 2014-05-06 2014-07-16 江苏瑞晨化学有限公司 Method for preparing n-propyl acetate by using multi-acid intercalated hydrotalcite catalyst
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Non-Patent Citations (1)

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赵科研等: "苯并噻唑铱络合物的合成及在氢转移反应中的应用", 《第十八届全国金属有机化学学术研讨会论文摘要集》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111974457A (en) * 2020-08-31 2020-11-24 江南大学 Catalyst for synthesizing substituted ketone compound and preparation method thereof
CN111974457B (en) * 2020-08-31 2021-05-28 江南大学 Catalyst for synthesizing substituted ketone compound and preparation method thereof
CN112169842A (en) * 2020-10-27 2021-01-05 江南大学 Novel efficient supported Au/GO catalyst and preparation method and application thereof
CN115193479A (en) * 2021-04-27 2022-10-18 江南大学 PBS microsphere loaded metal iridium catalyst, preparation method and application
CN115193479B (en) * 2021-04-27 2023-10-27 江南大学 PBS microsphere supported metal iridium catalyst and preparation method and application thereof

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